Fix warning related to Node version 20

* Fix the warning below by adding

"with:
          node-version: 20"

to Setup NodeJS step

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-node@v2, aws-actions/configure-aws-credentials@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

.github/workflows/frontend-s3-deploy.yml

@@ -18,6 +18,8 @@ jobs:
 
       - name: Setup NodeJS
         uses: actions/setup-node@v2
+        with:
+          node-version: 20
 
       - name: Install Dependencies
         run: npm install